Hasan ibn Hasan

Hasan ibn Hasan (1 January 664-6 March 720) was the son of Caliph Hasan ibn Ali and the father of Abdullah ibn Hasan.

Biography
Hasan ibn Hasan born on 1 January 664 to the Banu Hashim clan of the Quraysh tribe. Hasan was a Shi'ite Muslim, and was the son of Caliph Hasan ibn Ali. After the First Fitna, he sided with those descending from Ali ibn Ali Talib over al-Muawiyah I of the Umayyad Caliphate, who was supported by Sunni Muslims. Hasan was the father of Abdullah ibn Hasan.